inferschema:write

[lojul]

I'm following YouTUbe playlist part 2, after running inferschema:write, I'm not able to access GraphQL playground via http://localhost:4001/graphql with below error:

start
node scripts/start-dev.js

12:14:29 React |
12:14:29 React | > grand-stack-starter-web-react@0.0.1 start
12:14:29 React | > react-scripts start
12:14:29 React |
12:14:29 api |
12:14:29 api | > grand-stack-starter-api@0.0.1 start:dev
12:14:29 api | > ./node_modules/.bin/nodemon --watch src --ext js,graphql --exec babel-node src/index.js
12:14:29 api |
12:14:30 api | [nodemon] 1.19.4
12:14:30 api | [nodemon] to restart at any time, enter rs
12:14:30 api | [nodemon] watching dir(s): src/**/*
12:14:30 api | [nodemon] watching extensions: js,graphql
12:14:30 api | [nodemon] starting babel-node src/index.js
12:14:32 api | /Users/kincheonglau/Sites/pillow-grandstack/api/node_modules/graphql-compose/lib/TypeStorage.js:44
12:14:32 api | throw new Error(Type with name ${(0, _misc.inspect)(typeName)} does not exists);
12:14:32 api | ^
12:14:32 api |
12:14:32 api | Error: Type with name "Long" does not exists
12:14:32 api | at SchemaComposer.get (/Users/kincheonglau/Sites/pillow-grandstack/api/node_modules/graphql-compose/lib/TypeStorage.js:44:13)
12:14:32 api | at ThunkComposer._thunk (/Users/kincheonglau/Sites/pillow-grandstack/api/node_modules/graphql-compose/lib/TypeMapper.js:585:34)
12:14:32 api | at ThunkComposer.get ofType [as ofType] (/Users/kincheonglau/Sites/pillow-grandstack/api/node_modules/graphql-compose/lib/ThunkComposer.js:20:34)
12:14:32 api | at NonNullComposer.getUnwrappedTC (/Users/kincheonglau/Sites/pillow-grandstack/api/node_modules/graphql-compose/lib/NonNullComposer.js:38:15)
12:14:32 api | at unwrapTC (/Users/kincheonglau/Sites/pillow-grandstack/api/node_modules/graphql-compose/lib/utils/typeHelpers.js:208:31)
12:14:32 api | at unwrapOutputTC (/Users/kincheonglau/Sites/pillow-grandstack/api/node_modules/graphql-compose/lib/utils/typeHelpers.js:220:10)
12:14:32 api | at ObjectTypeComposer.getFieldTC (/Users/kincheonglau/Sites/pillow-grandstack/api/node_modules/graphql-compose/lib/ObjectTypeComposer.js:380:44)
12:14:32 api | at /Users/kincheonglau/Sites/pillow-grandstack/api/node_modules/graphql-compose/lib/ObjectTypeComposer.js:1460:23
12:14:32 api | at Array.forEach ()
12:14:32 api | at ObjectTypeComposer.getNestedTCs (/Users/kincheonglau/Sites/pillow-grandstack/api/node_modules/graphql-compose/lib/ObjectTypeComposer.js:1459:26)
12:14:32 api | [nodemon] app crashed - waiting for file changes before starting...
12:14:33 React | [HPM] Proxy created: / -> http://localhost:4001/graphql
12:14:33 React | ℹ ｢wds｣: Project is running at http://192.168.1.15/
12:14:33 React | ℹ ｢wds｣: webpack output is served from
12:14:33 React | ℹ ｢wds｣: Content not from webpack is served from /Users/kincheonglau/Sites/pillow-grandstack/web-react/public
12:14:33 React | ℹ ｢wds｣: 404s will fallback to /
12:14:33 React | Starting the development server...
12:14:33 React |
12:14:35 React | Browserslist: caniuse-lite is outdated. Please run:
12:14:35 React | npx browserslist@latest --update-db
12:14:35 React |
12:14:35 React | Why you should do it regularly:
12:14:35 React | https://github.com/browserslist/browserslist#browsers-data-updating
12:14:54 React | Compiled successfully!
12:14:54 React |
12:14:54 React | You can now view grand-stack-starter-web-react in the browser.
12:14:54 React |
12:14:54 React | Local: http://localhost:3000
12:14:54 React | On Your Network: http://192.168.1.15:3000
12:14:54 React |
12:14:54 React | Note that the development build is not optimized.
12:14:54 React | To create a production build, use npm run build.
12:14:54 React |
12:14:55 React | [HPM] Error occurred while trying to proxy request /graphql from localhost:3000 to http://localhost:4001/graphql (ECONNREFUSED) (https://nodejs.org/api/errors.html#errors_common_system_errors)
12:14:55 React | [HPM] Error occurred while trying to proxy request /graphql from localhost:3000 to http://localhost:4001/graphql (ECONNREFUSED) (https://nodejs.org/api/errors.html#errors_common_system_errors)
12:14:55 React | [HPM] Error occurred while trying to proxy request /graphql from localhost:3000 to http://localhost:4001/graphql (ECONNREFUSED) (https://nodejs.org/api/errors.html#errors_common_system_errors)